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[{"id":483,"title":"Self-taught through trial and error","votes":549,"type":"x","order":1,"pct":78.54,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.29,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.86,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.3,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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79

Intel Memory Support Updates: Faster Boot Times for TDX VMs

Way back in August Intel posted a set of Linux kernel patches for supporting "unaccepted memory" by the Linux kernel in preparation for next-generation Xeon processors and speeding up the boot time for guest virtual machines making use of Intel's Trust Domain Extensions (TDX) security feature. Unaccepted memory support hasn't yet made it to the mainline kernel but now a second iteration of the patches have been posted. . UEFI 2.9 introduces the concept of memory acceptance and unaccepted memory. This makes it so guests need to "accept" memory before it can be allocated/used within the guest's environment while the actual acceptance handling is depending upon the VM hypervisor. This memory acceptance is important for Intel TDX and AMD SEV-SNP to avoid the expensive memory acceptance at boot time for new VMs and to instead make it on-demand / as-needed. It's also possible to be a security benefit in its own right by keeping the memory unaccepted until it's actually going to be used. The link for this article located at Phoronix is no longer available. . Intel's revisions for unsupported memory seek to improve virtual machine startup times and fully utilize TDX security capabilities.. Intel Memory Management, VM Performance, TDX Security Features. . LinuxSecurity.com Team

Calendar 2 Jan 21, 2022 User Avatar LinuxSecurity.com Team Security Projects
76

Linux Foundation Addresses Kernel Concerns Over UMN Patches Review

The Linux Foundation Technical Advisory Board reports on what was found in its complete examination of University of Minnesota patches, putting out the fire between the Linux kernel community and the University of Minnesota (UMN). . The fire between the Linux kernel community and the University of Minnesota (UMN) is being put out. Thanks to an ill-thought-out Linux security project , two UMN graduate students tried to insert deliberately buggy patches into Linux . Greg Kroah-Hartman, the well-respected Linux kernel maintainer for the Linux stable branch, responded by banning not only them but any UMN-connected developers from contributing to the Linux kernel. Now, UMN has addressed the Linux kernel developer's community's concerns . And, in a message to the Linux Kernel Mailing List (LKML) , the Linux Foundation Technical Advisory Board (TAB) and volunteer senior Linux kernel maintainers and developers have reported on what they found when they closely and thoroughly examined patches from UMN academics. The link for this article located at ZDNet is no longer available. . The tension surrounding the collaboration between the Linux developer community and the University of Minnesota (UMN) is being resolved.. Linux Foundation, Kernel Community, Technical Review. . Brittany Day

Calendar 2 May 06, 2021 User Avatar Brittany Day Organizations/Events
79

Linus Torvalds Talks Rust Support For Upcoming Linux Kernel 5.14

The first patches for Rust support in the Linux kernel have been posted and Linus Torvalds says that things are "getting to the point where maybe it might be mergeable for 5.14 or something like that". In Torvalds' opinion, the fact that these are being discussed is much more important than a long post by Google about the language. . Linus Torvalds told iTWire in response to queries that Rust support was "not there yet", adding that things were "getting to the point where maybe it might be mergeable for 5.14 or something like that". Release candidate six of the 5.12 kernel branch came out in the first week of April. Each point release normally has eight weekly releases, with a further fortnight taken before the final release. That means it would take some time for 5.14 to emerge. The Google post , from Wedson Almeida Filho of its Android team, pointed out that Android now supported Rust for developing the operating system itself. The link for this article located at ITWire is no longer available. . Linus Torvalds noted that the integration of Rust into the Linux kernel is advancing and could be featured in the soon-to-come 5.14 update.. Rust Support, Linux Kernel Development, Linus Torvalds. . LinuxSecurity.com Team

Calendar 2 Apr 19, 2021 User Avatar LinuxSecurity.com Team Security Projects
78

NSA High Security Linux Prototype With Kernel Patches Releases Insights

"The NSA folks just recently got permission to make their stuff available on the Web. It's just a proof of concept, and no doubt a lot of changes will need to made before people will accept integrating it into . . . . "The NSA folks just recently got permission to make their stuff available on the Web. It's just a proof of concept, and no doubt a lot of changes will need to made before people will accept integrating it into the kernel, but they have released a working system (both kernel and userspace patches --- RPM's aren't quite ready yet) based on Linux 2.2 and Red Hat 6.1. So it's definitely worth a look, and in fact some folks with specialized needs might find it useful, even though it's a prototype." "I recently attended a DARPA workshop which focused on high security open source operating systems. It turns out that parts of the U.S. government are really interested this topic; having an operating system with the necessary high-security features which they need, and for which source code is available, would be a really good thing for them. Among other things, for example, it would mean that they wouldn't have to live in terror about what might happen if Sun, IBM, SGI, et. al decided to pull the plug on Trusted Solaris, Trusted AIX, or Trusted IRIX. And they're serious enough that DARPA's willing to throw money at the problem." The link for this article located at Slashdot is no longer available. . The NSA recently launched a high-security Linux distribution designed for defense and intelligence needs, enhancing data security and modularity for specialized applications. High Security Linux, Open Source Security, Kernel Patches, NSA Prototype, Secure Operating System. . LinuxSecurity.com Team

Calendar 2 Dec 22, 2000 User Avatar LinuxSecurity.com Team Vendors/Products
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What got you started with Linux?

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/main-polls/150-what-got-you-started-with-linux?task=poll.vote&format=json
150
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[{"id":483,"title":"Self-taught through trial and error","votes":549,"type":"x","order":1,"pct":78.54,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.29,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.86,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.3,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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